Shimano 105 105 ST-R7120-L Shift/Brake Lever BR-R7170 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount BLK MFPN=00.1918.183.003 The design of the Bar-Lock

The design of the Bar-Lock system keeps the bag stable and secure on the handlebars even on rougher terrain

0 mm bars or 31

100% Surly 4130 Chromoly frame main triangle is double-butted

5 Spindle Interface Type Square Taper JIS BB Shell Width (mm) 68 BB/Frame Interface English

Integrated valve core remover

Shimano 105 105 ST-R7120-L Shift/Brake Lever BR-R7170 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount BLK MFPN=00.1918.183.003 The design of the Bar-LockShimano 105 105 ST R7120 L Shift Brake Lever with BR R7170 Hydraulic Disc Brake Caliper Left Front 2x Flat Mount Black. Shimano 105 ST R7120 Dual Control Levers feature a revised lever position and bracket shape developed using data from a broad study of different hand shapes. Shifting is quick and intuitive to provide cyclists what is expected from Shimano 105. Thats combined with the all condition confidence of a BR R7170 flat mount hydraulic disc